/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.cassandra.utils;

import java.util.List;
import java.util.Set;
import java.util.Spliterator;

/**
 * A collection that maintains both List and Set properties:
 * - As a List: Preserves order and allows deterministic iteration
 * - As a Set: Ensures all elements are unique
 * <p>
 * This interface combines the ordered access of List with the uniqueness constraint of Set.
 */
public interface UniqueList<T> extends List<T>, Set<T>
{
    @Override
    default Spliterator<T> spliterator()
    {
        return List.super.spliterator();
    }
}
